W176 1.5cdi Mass Air Flow Sensor Replacement

[divettri]

" to my local repair garage"
Is this maybe the answer to the whole problem? Possibly not a Mercedes specialist?
If that is the case perhaps you should take it to one

ok maybe i'll need to try a Mercedes specialist then. The garage I use, I have been using for the past 15-years or so & they are highly reputable in my area so I trust them to do a good job each time.